MAKAI WATCH VOLUNTEER TRAINING, for Mālama Maunalua's efforts to increase fish populations and health of Maunalua Bay, with training to identify/count fish, conduct marine life and water quality surveys — as well as education on the bay's history, geography and ecology, 9 a.m.-2 p.m. May 22 and 23, Hawai'i Kai Public Library; registration, Alika Winter, 561-8691.

HONEYBEE VARROA PROJECT, an islandwide study by the University of Hawai'i College of Tropical Agriculture and Human Resources, asks anyone seeing a wild honeybee colony on O'ahu to call 956-2445; for information, see www.ctahr.hawaii.edu/HoneyBeeVarroa.